Such threats have been a staple of North Korean leader Kim Jong Un since he took power after his father's death in 2011

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Parade participants beat drums as they march on the Kim Il Sung Square on Tuesday, May 10, 2016, in Pyongyang, North Korea.

North Korea has reasserted a warning that it is prepared to launch a preemptive strike on the United States if its forces mobilize against it, NBC News reported.

Such threats have been a staple of North Korean leader Kim Jong Un since he took power after his father's death in 2011. U.S. officials do not believe Pyongyang possesses weapons able to reach the continental United States.

"The U.S. has nuclear weapons off our coast, targeting our country, our capital and our Dear Leader, Kim Jong Un," a top North Korean official, Lee Yong Pil, said in an exclusive interview with NBC News.

Lee said his government's stance was being driven by "the increasingly aggressive" drills by the United States and the South.